Research Article
Air Monitoring: New Advances in Sampling and Detection
Table 7
Sampling and analytical conditions.
| TD conditions | GC conditions | MS conditions |
| Configuration: TD-100 for automated tube desorption (Markes International Ltd) Flow path temperature: 150°C Cold trap: air toxics analyser type trap Trapping temperature: 25°C Cold trap desorption: 300°C for 3 min (10 : 1 split) Trap heating rate: 40°C/s | Column: 60 m × 0.32 mm × 1.8 μm, 624 type phase Oven: 40°C (5 min), 5°C/min to 230°C (0 min) Constant pressure: 10 psi
| Source temperature: 230°C Quadrupole temperature: 150°C Transfer line temperature: 280°C Scan range: m/z 33–350 |
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Sampling: 1 L pumped sampling onto a dual-bed sorbent tube.
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